BLTouch Issues

So I recently purchased and installed the SKR Mini E3 V2 on my Ender 3 Pro. I'm having some issues with the BLTouch, hopefully someone can offer some assistance. I've not yet connected the Ender 3 to my PC or run any remote commands, everything has been done with pre-built firmware from BTT's website.

Scenario 1: Installed BL Touch and removed stock Z Axis switch replacing it with the black/white wires from the BL Touch. Installed the prebuilt Z Autohoming firmware from the BTT Github. When configured this way, the Z Axis never properly homed. The BL Touch will fire a few times on startup (assume this is a sort of self test) but the Z Axis never moves down to engage the BLTouch when it is deployed. I get a message on the screen saying "STOPPED", and also "End Stop Z".

When this did not work, I tried:

Scenario 2: Installed BL Touch putting all 5 pins in the BLTouch slot leaving the stock Z Axis limit switch pluggin in. I flashed the firmware to the BTT BLTouch version as described in their documentation. The machine now properly homes, the BLTouch will run its bed leveling test, however, the Z Axis offset doesn't move the Z Axis. I've set the X/Y probe offset according to the mount I'm using, but can't get the Z Axis adjusted at all.

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Anyone got any advice? This is a genuine ANTCLABS BLTouch.